| Commit message (Collapse) | Author | Age |
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pruning),
hence do not entirely prevent solve_simple_eqn in case of apparent occurs-check but
backtrack to eqappr on OccurCheck failures (problem found in Ssreflect).
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presence of let-ins.
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All superscript numbers are now symbols instead of parts of identifiers.
This disallows some identifiers, but hopefully not a lot of people were
using superscripts as part of identifiers, weren't they?
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behavior of evar_conv_x,
getting more common after patch on evars and eta. The main problem is that ?X = C[?X] problems get
postponed now, when they failed earlier before (rendering the algorithm incomplete, e.g. on ?X = \y. ?X y).
A notion of "rigid/strongly rigid" occurrences would give a better fix.
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Indeed [tclWITHHOLES false tac sigma x] is equivalent to [tclEVARS sigma <*> tac x]
and we should try to reduce the use of this tactical, because it is mostly
a legacy tactic.
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Coq now accepts the [Universes u1 ... un] syntax.
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For consistency with ChoiceFacts
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The generalized versions are names *_one_var. We preserve backwards
compatibility by defining the old versions in terms of the generalized
ones.
This closes the rest of Bug 3019, and closes pull request #6.
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stm test-suite files.
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of metas/evars
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to match on a primitive projection application c.(p) using "?f _", binding f
to (fun x => x.(p)) with the correct typing.
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cases pattern variables than for naming forall/fun binders (but still
avoiding constructor names).
Note in passing: such as it is implemented, the general strategy is in
O(n²) in the number of nested binders, because, when computing the
name for each 'fun x => c" (or forall, or a pattern name), the names
from the outside c and visibly occurring in c are computed.
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Should we also add is_* tactics for other things? is_rel, is_meta,
is_sort, is_cast, is_prod, is_lambda, is_letin, is_app, is_const,
is_ind, is_constructor, is_case, is_proj?
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It's possible that I should have removed more "allows", as many
instances of "foo allows to bar" could have been replaced by "foo bars"
(e.g., "[Qed] allows to check and save a complete proof term" could be
"[Qed] checks and saves a complete proof term"), but not always (e.g.,
"the optional argument allows to ignore universe polymorphism" should
not be "the optional argument ignores universe polymorphism" but "the
optional argument allows the caller to instruct Coq to ignore universe
polymorphism" or something similar).
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Based on suggestion by @gasche.
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I'm not quite sure why, but I'm pretty sure it's not. Rather, in
"allowing for foo" and "allowing to foo", "foo" modifies the sense in
which someting is allowed, rather than it being "foo" that's allowed.
"Allowing fooing" generally works, though it can sound a bit awkward.
"Allowing one to foo" (or "Allowing {him,her,it,Coq} to foo") is always
acceptable, in-as-much as it's ok to use "one".
I haven't touched the older instances of it in the CHANGES file.
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Conflicts:
tools/coqdep_lexer.mll
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- The state machine gets kind of complex
maybe it should become a parser at some point?
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Sort of fixes bug #2765, but the file loading is broken and puts coqtop in
an inconsistent state, so that even the previous half-working patch was
actually not functionning at all. This should be fixed eventually.
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a variable is quantified in the goal. This is only used by induction, and
it should be a bad practice to depend on an invisible binder.
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Now error printing tries to set universe printing when two terms are not
desambiguated.
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Some legacy code remains to keep the newish refine tactic working, but
ultimately it should be removed. I did not manage to do it properly though,
i.e. without breaking the test-suite furthermore.
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Matthieu Sozeau
Hugo Herbelin
Pierre-Marie Pédrot
Matthieu Sozeau
Jason Gross
Pierre Boutillier
Jason Gross
Pierre Boutillier
Gregory Malecha